Good day.
Openldap 2.4.19 installed from freebsd ports. All configs in defauls
Freebsd 7.2 amd64
I glad to give a more debug, if any body say how to do it.

What version of BDB are you using? Is it fully patched? I would suggest
you build with the "-g" flag to slapd, and make sure that when you run
"make install" you add the STRIP="" bit to keep the debugging symbols in
the binary. I.e.,: